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98.2%of 57 verified observed days had no reported provider issue
90-Day Trend
Dashed calendar markers below identify legacy observations whose source-at-observation was not recorded.
Monthly Status Summary
Month
Issue-free days
Days Tracked
Days with issues
September 2026
96.7%
30
1
This percentage summarizes normalized provider-status observations by calendar day. It is not duration-based, component-weighted, or contractual uptime. See the methodology and limitations.
Recorded Daily Status (Last 91 Days)
Jul 22Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data
Incident History
September 2026
Some customers may experience delays in message sending
Our team has found an issue causing degraded experiences for interactions with the Agent within customer.io. We are working on a fix now.
Legacy Incident Archive
28 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.
August 2026
Customer.io UI is inaccessible
Source not attested
Last archived state: resolved
View archived record details
monitoring
We are continuing to monitor for any further issues.
monitoring
A fix has been implemented and we are monitoring the results.
investigating
We are currently investigating this issue.
Delays in processing and UI inaccessible for some customers in the US datacentre
minorSource not attested
Last archived state: resolved
View archived record details
investigating
We are continuing to investigate this issue.
investigating
Our team is currently investigating an issue that is causing some delays in data processing. This impacts a small subset of customers in the US datacentre.
July 2026
Issues accessing EU accounts
majorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
identified
The issue has been identified and a fix is being implemented.
investigating
We are currently investigating an issue impacting access to EU accounts and API access. There is no impact with data processing or data loss.
Some EU users are experiencing delays in processing
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been deployed, and we are recovering any delayed backlogs. We are continuing to monitor the results.
identified
A fix has been implemented and we are monitoring the results. Thanks for your patience and we'll continue to update as we make progress
investigating
Our team is looking into a problem affecting UI slowness and processing delays for some EU customers.
Some customers are experiencing data processing and message-sending delays
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been deployed, and we are processing any delayed backlogs. We are continuing to monitor the results.
identified
The issue has been identified and we're working on a fix. Thank you for your patience.
investigating
Our engineers are currently looking into an issue that is causing data processing and message-sending delays for a small subset of customers in the US region. We apologise for any inconvenience caused.
Delays in message sending
majorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we're monitoring the results.
investigating
Our team is currently investigating an issue delaying message sending in the US and EU regions
Some customers are experiencing data processing delays
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been implemented and we are monitoring the results.
identified
We've identified the cause of the event processing delays and our team is working on a fix. Thank you for your patience and we'll update again as we make progress.
investigating
Our engineers are currently looking into an issue that is causing data processing delays for some customers in our EU region. Thank you for patience and we apologize for the inconvenience.
Delays processing send events in some environments
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been deployed and we are processing through any delay backlogs. We are continuing to monitor but expect delays to reduce shortly.
identified
We're monitoring increased load on our backend that is causing a delay in processing sends. We are actively monitoring the issue and will share updates accordingly.
User Interface is currently unavailable for some users in EU. Data processing delays
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
Processing is actively recovering. We apologize for the disruption this caused and will continue monitoring until it's fully caught up.
identified
The Customer.io UI is back online. We're continuing to work on system stability to confirm the issue is fully resolved. Processing is recovering but still delayed
investigating
Our team is currently investigating an issue where the Customer.io dashboard (fly.customer.io) is unavailable for some users in EU. We're also looking into potential data processing delays.
User Interface is currently unavailable, data processing delays
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
The UI is back up and delays are actively recovering. We sincerely apologize for the inconvenience and appreciate your patience.
investigating
Our team is currently investigating an issue where the Customer.io dashboard (fly.customer.io) is unavailable. We're also looking into potential data processing delays.
